He said the result showed there were lessons to be learned about Labor's pre-selection processes, adding he supported members having more power to directly determine who ran as candidates, which would improve election prospects.

"If you increase the empowerment of the Labor party membership I think you will get greater membership, greater campaigning capacity and a real sense of ownership over who runs under the Labor banner," he said.

Mr Albanese will meet with Ms Pratt for a sundowner function on Sunday evening.

She recently conceded defeat in the election and unleashed a scathing attack on Mr Bullock, who she described as homophobic, but denied it was a case of sour grapes.

United Voice, which originally supported Mr Bullock's nomination, also withdrew its support for him and called for his resignation.

Ms Pratt's defeat delivers a third seat to the Liberals, with the remaining two seats likely to go to Greens Senator Scott Ludlam and Palmer United Party's Zhenya Dio Wang.